Characteristics:

This tube or even bell formed sponge can reach a length of 15 cm. It is connected to the base by a hard, but flexible stalk. It may consist of more than one tube. The color may be grey, beige, yellow or orange. The surface is smooth.

Habitat:

It can be found in a wide range of habitats, on exposed as well as sheltered locations. It is usually attached to some hard surface, like rocks or shells. It is typical for steep rock faces.